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(DL) Delta Air Lines 4449 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(COS) Colorado Springs Airport

Colorado Springs, CO, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
48
89%
Late
2
4%
Very Late
1
2%
Excessive
3
6%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
54
Total Delays ( > 1 min )
10
Codeshares
54
Average Delay (min.)
30.3
Standard Deviation
27.8
Min
0
Max
80

DL 4449 On-Time Performance Details

Overall Rating
4.1 of 5
Good
Percentage On-Time 89%
Average Delay Time 30.3 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.1 shows that this flight has on-time performance characteristics better than 80% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 30.3 min
This flight has an average delay of 30.3 minutes with a standard deviation of 27.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

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